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【简答题】
在解决实际问题时，采用四舍五入法取商的近似值．______．
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【简答题】连词成句。 1. What, do, you, can (?) ______________________________________ 2. can, I, floor, the, sweep (.) ______________________________________
【简答题】听下面一段独白，回答第l至4题。 1. Which floor do they start from? A. The first floor. B. The second floor. C. The fourth floor. 2. What can they see on the second floor? A. Technology in the old days. B. Inventions...
【简答题】听下面一段对话，回答第1-4题。 1. Which floor was destroyed by the fire . A. The first floor. B. The second floor. C. The third floor. 2.When was the building built? A. In 1718. B. ln 1782. C. In 1930. 3. What was ...
【简答题】A．On the first floor. B．On the second floor. C．On the third floor. D．On the fourth floor.
【简答题】根据句意及首字母提示完成单词。 1. The c________ of one floor is the floor of the next one above. 2. The teacher asked me to f_________ a c hair from the next room. 3. Remember to r___________ your hand if you have a...
【简答题】凸极式同步发电机的磁极数( )----多或少? 凸机式同步电机的转速( ) ---高或低? 。
【简答题】凸极式同步发电机的磁极数( ) 多或少? ,转速( ) 高或低? 。
【单选题】选择填空 ( ) 1. – Is there a study on the first floor ? -- _________ . It’s on the second floor .
A.
No, there isn’t .
B.
No, there aren’t .
C.
No, there is .
D.
No, they aren’t .
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